Half of the explanation here consists of explaining the very-slightly-different-but-still-entirely-natural ontology of PeerTube, to people who were expecting exactly the ontology of YouTube.
For someone who has never used YouTube as a content creator, a "Getting Started" guide for PeerTube would actually be quite short.
In trying to figure out what word you were looking for, I realized the word his migrated from philosophy to computer science and changed meaning a bit. So maybe it works in that context. Sorry.
This website isn't a service, it's the website for a piece of software you can download and host yourself. So it's not really comparable to Youtube. Explanation/documentation is normal for that kind of site.
If you want the equivalent to Youtube, take a look at something like https://framatube.org/
Content creators on PeerTube could do in-video product endorsements.. that's already a fairly standard practice on YouTube, which does support monetization.
It's a bit of chicken and egg problem though. To get in video endorsements, you need to get very popular. To get very popular, you need a more popular platform than peertube.
It depends. You obviously need a millions of subscribers to promote the 'appetite suppressant' lollipops - and you need a TV to promote the new life insurance brand. But to triple the sales of HackRF, a couple of thousands niche auditory is enough.
Sponsorships are only one form of monetization. The competitive feature for content creators here is ad revenue sharing.
The only thing I got from reading this write up is that it will be pretty easy for someone to create their own instance and throw ads on someone else's content.
For someone who has never used YouTube as a content creator, a "Getting Started" guide for PeerTube would actually be quite short.